* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6C5CE7;
    --secondary-color: #0984E3;
    --accent-color: #FF6B6B;
    --dark-bg: #1A1A2E;
    --light-bg: #F8F9FA;
    --text-dark: #2D3436;
    --text-light: #636E72;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #fff;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation Bar */
.navbar {
    position: sticky;
    top: 0;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #2C2C54 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, #6C5CE7, #0984E3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #6C5CE7, #0984E3);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #2C2C54 50%, var(--primary-color) 100%);
    color: white;
    padding: 100px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(9, 132, 227, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite reverse;
}

.hero-image {
    position: absolute;
    bottom: 0;
    left: 5%;
    transform: translateX(-50%);
    animation: float 4s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    animation: slideInUp 0.8s ease;
}

.hero h1 {
    font-size: 4.3rem;
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero h1 span {
    background: linear-gradient(135deg, #6C5CE7, #0984E3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.7rem;
    font-weight: 500;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-btn {
    background: linear-gradient(135deg, #FF6B6B, #FF8787);
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 107, 0.4);
}

.hero-animation {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 300px;
    height: 300px;
}

.floating-box {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.3), rgba(9, 132, 227, 0.3));
    /* background-image: url(img/boy\ using\ desktop.jpeg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain; */
    border-radius: 20px;
    animation: bounce 4s ease-in-out infinite;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

/* About Section */
.about {
    padding: 80px 20px;
    background: var(--light-bg);
}

.about .container {
    max-width: 900px;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--dark-bg);
}

.about>.container>p {
    font-size: 1.1rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 3rem;
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-box {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.stat-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.stat-box h3 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-box p {
    color: var(--text-light);
    font-weight: 500;
}

/* Why Nextgen */
.nextgen{
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #2C2C54 100%);
}

.nextgen .container {
    max-width: 900px;
}

.nextgen .container h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    color: #fff;
}

.nextgen .container .why-list{
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.reasons {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.reasons:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.reasons h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--dark-bg);
    transition: var(--transition);
}

.reasons p {
    color: var(--text-light);
    line-height: 1.6;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.4s ease;
    opacity: 0;
    margin: 0;
}

.reasons.active p {
    max-height: 200px;
    opacity: 1;
    margin-top: 1rem;
}


/* Features Section */
.features {
    padding: 80px 20px;
    background: white;
}

.features h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: var(--transition);
    border-top: 3px solid var(--primary-color);
    cursor: pointer;
}

.feature-card:hover {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.2) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--dark-bg);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Events Section */
.events {
    padding: 80px 20px;
    background: var(--light-bg);
}

.events h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-bg);
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.event-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    position: relative;
}

.event-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.event-date {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1.5rem;
    font-size: 1.3rem;
    font-weight: bold;
    text-align: center;
}

.event-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    color: var(--dark-bg);
    font-size: 1.1rem;
}

.event-card p {
    padding: 0 1.5rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.register-btn {
    background: linear-gradient(135deg, var(--secondary-color), #00B4DB);
    color: white;
    border: none;
    padding: 12px 25px;
    margin: 0 1.5rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.register-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(9, 132, 227, 0.3);
}

/* Team Section */
.team {
    padding: 80px 20px;
    background: white;
}

.team h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-bg);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.team-member {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    background: white;
}

.member-avatar {
    font-size: 4rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.team-member:hover .member-avatar {
    transform: scale(1.2) rotate(-10deg);
}

.team-member h3 {
    color: var(--dark-bg);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.team-member p {
    color: var(--text-light);
    font-weight: 500;
}

.team .container button {
    display: flex;
    padding: 10px 20px;
    text-align: center;
    margin: 5rem auto 0;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    background: transparent;
    cursor: pointer;
}

.team .container button:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(108, 92, 231, 0.3);
}

/* Contact Section */
.contact {
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--dark-bg), #2C2C54);
    color: white;
}

/* .contact-image {
    position: absolute;
    bottom: 0;
    right: 15%;
    transform: translateY(-50%);
    animation: float 4s ease-in-out infinite;
} */

.contact h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
}

.contact .container {
    max-width: 600px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    box-shadow: 0 0 15px rgba(108, 92, 231, 0.5);
    transform: translateY(-2px);
}

.submit-btn {
    background: linear-gradient(135deg, #FF6B6B, #FF8787);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    font-size: 1rem;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.4);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-btn {
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border: 2px solid white;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 600;
}

.social-btn:hover {
    background: white;
    color: var(--primary-color);
}

/* Footer */
.footer {
    background: #0F0F23;
    color: white;
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-30px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-animation {
        display: none;
    }

    .about h2,
    .features h2,
    .events h2,
    .team h2,
    .contact h2 {
        font-size: 2rem;
    }

    .features-grid,
    .events-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }

    .stats {
        grid-template-columns: 1fr;
    }

    .social-links {
        flex-direction: column;
    }

    .social-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.2rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .cta-btn {
        padding: 12px 30px;
        font-size: 0.9rem;
    }

    .stat-box h3 {
        font-size: 2rem;
    }

    .feature-icon {
        font-size: 2.5rem;
    }
}

/* Responsive: hamburger menu */
@media (max-width: 900px) {
    .nav-links {
        display: none;
        position: absolute;
        right: 20px;
        top: 72px;
        background: white;
        color: var(--dark-bg);
        flex-direction: column;
        gap: 0;
        padding: 12px;
        border-radius: 10px;
        min-width: 200px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.12);
        z-index: 1200;
    }

    .nav-links a { color: var(--dark-bg); padding: 10px 12px; display:block }

    .nav-links.show { display: flex; }

    .hamburger { display: flex; }

    .hamburger span { background: white; width: 26px; height: 3px; display:block }

    .hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}